Graze logo

OCCULTATION OF HIP 90639 BY 426 Hippo
2014 August 09


An 11.06 second occultation was recorded by Dave Gault, using video OSD technique.

One clearly observed miss was recorded for this event.

View the updated prediction.

Observers:
  1    D Gault,Kuriwa Observatory, NSW, AU  
  2(M) D Watson,Thornton near Whakatane, NZ 
  3(P) Prediction, 22 June                  

        

Hippo occultation__ 2014 August 09

Discussion:

The circle above is plotted at the expected 121 km diameter of Hippo. With only one chord it is not possible to determine whether Dave was north or south of the central line of the event.

The figure below shows the Tangra light curve of the occultation.

Hippo occultation__ 2014 August 09

Observational Data:

Observation details for MP ( 426 ) Hippo
By Star              HIP HIP90639
On 2014-08-09  at 14:13:55.0

_______________________________

Observer   Dave Gault
Location   Kuriwa Observatory, NSW, AU
Longitude  +150:38
Latitude   -33:39
Altitude   286 m
Datum      WGS84
Telescope SCT including Cass and Mak
Aperture   30 cm
Seeing     Steady Thin cloud < 2
Camera Type  Grasshopper Express with ADVS              ADVS
Camera Delay 0
Timing     GPS - time inserted Video with frame analysis
Disappearance  14:13:57.83
Reappearance   14:14:08.89
Comments:  Lightcurve from 14:13:30 to 14:14:33 by Tangra v3.1.10 
using AperturePhotometry/AverageBackground. 
Analysis by AOTA v4.1.1.5. Report prepopulated by IOTA 
Reporting Add-in for OW ver.1.8

_______________________________

Observer   Diana Watson
Location   Thornton near Whakatane, NZ
Longitude  +176:51
Latitude   -37:55
Altitude   3 m
Datum      Other
Telescope SCT including Cass and Mak
Aperture  200 cm
Seeing     Steady Clear
Camera Type  Visual         Other
Camera Delay 0.5
Timing     Tape Recorder + time signal Visual, no PE applied

Missed

Comments: Freezing  

        

Return to 2014 occultation results



[Site Map] [What's an Occultation?]
[Total Occultations] [Grazing Occultations] [Planetary Occultations] [Jovian Satellite Eclipses]
[Timing Occultations] [Reporting Observations] [Coming Events] [Software]
[About Us] [Publications] [Membership] [Links]

[Top of Page][Return to Home Page]